Overdose Epidemic

S1 E4: Sgt. Hinton alerts his squad to a rash of drug overdoses that have swept across the Eastside. The illicit trade of methadone might be the cause. Meanwhile, Sgt. Hinton & Mark Steinkampf are both being considered for promotions. When Hinton decides to take the leap into upper management, the reins of the squad fall to his good friend, the newly minted Sgt. Steinkampf.